[guest39538]

In imagination, in a void if there was one individual binary particle only, there would be no mechanism for a change of the particles entropy.

The particle would remain a constant temperature of 0k ground state

0k in respect to (-e) + (+1e) = 0k

The proton being a negative energy with a positive call sign, that cancels out the electron heat.

So in my sense of logic a single electron must be naturally :

T = 0.5k at ground state .

A proton T = -0.5k at ground state

(0.5k) + (-0.5k) = 0k